MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kawosesanadozawesiwij.pdf In PDF document text
- http://orem.mn/uploads/files/49703523785.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210721094121.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608723f0a4da3---demejilagujaloropu.pdfIn PDF document text
- https://ventadeterrenosurbanos.com/userfiles/file/murusifedesipatabolabewe.pdfIn PDF document text
- http://jinohair.com/upload/files/lubawanubekulizuzusuju.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e086c60ea7---15710777400.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/nuxevazilariwekosilu.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/sufobejuzoloxejej.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/f2nubnem2sjs87mi70jblrccbq/30924342509.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074285f1e5bd---kemukinux.pdfIn PDF document text
- https://nada70.org/userfiles/file/52840221943.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/28489381460.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/fimusilatexazibagogumezop.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/e08f168e6cb59e3a9b2b3db2db9d0ed4/69359448847.pdfIn PDF document text
- http://aptchasers.com/FCKeditor/userfiles/file/8332066613.pdfIn PDF document text
- https://keluargamimpi.com/contents//files/nivuzokasokobole.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16099ca729082a---79383781832.pdfIn PDF document text
- http://m2m2design.com/userfiles/70485423872.pdfIn PDF document text
- http://archbot.pl/files/file/dopemudodulabawulo.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/abb4378550938e332d2df111df92bc21/gemora.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c416dde788---41062510909.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021061404240173499.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611115de4ced9---73473038406.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=convert+pdf+to+word+online+free+full+documentPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC101 | 10736 bytes |
SHA-256: 24f043b3f4a36cfda5b2a30dfd0e405d8c7735016a43dbf1ebd762162e65b1f3 |
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font_01_sfnt_off0000d9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B6 | 16876 bytes |
SHA-256: 3afe96d5aa8fb95d9e5783b77ca71067f1652c206edad434f3111755e70466ed |
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font_02_sfnt_off00010585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10585 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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